Emerald and Stibiotantalite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Hard
  
Not Available
  
Specific Gravity
2.67-2.78
  
Not Available
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Cleavage
Imperfect on the [0001]
  
{???} Perfect
  
Mohs Hardness
7.5-8
  
5.5-6
  
Chemical Composition
Be3Al2SiO6
  
SbTaO 4Ulrich Henn and Claudio C.
  
Emerald and Stibiotantalite Chemical Formula
While comparing Emerald and Stibiotantalite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Emerald and Stibiotantalite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Emerald and Stibiotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Emerald is Not Available whereas that of Stibiotantalite is Not Available.
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